Goblin Arsonist

When this creature dies, you may have it deal 1 damage to any target.

Infernal Plunge

As an additional cost to cast this spell, sacrifice a creature.
Add {R}{R}{R}.

Explorer's Scope

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Expedite

Target creature gains haste until end of turn.
Draw a card.

Pilgrim's Eye

Flying
When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Mountain

Goblin Grenade

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

Faithless Looting

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Goblin Balloon Brigade

{R}: This creature gains flying until end of turn.

Goblin Tunneler

{T}: Target creature with power 2 or less can't be blocked this turn.

Expedition Map

{2}, {T}, Sacrifice this artifact: Search your library for a land card, reveal it, put it into your hand, then shuffle.

Goblin Fireslinger

{T}: This creature deals 1 damage to target player or planeswalker.

Goblin War Paint

Enchant creature
Enchanted creature gets +2/+2 and has haste.

Artillerize

As an additional cost to cast this spell, sacrifice an artifact or creature.
Artillerize deals 5 damage to any target.

Torch Slinger

Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.)
When this creature enters, if it was kicked, it deals 2 damage to target creature.

Spire Barrage

Spire Barrage deals damage to any target equal to the number of Mountains you control.